> On 09/06/2021 00:10 Marco Usai <[email protected]> wrote: > > > Hi, > > I need to migrate mail from a shared hosting that stores mail in the Maildir > format to another one that uses the Mdbox format. > > Both hosts use Dovecot, though I don't know what version, because neither has > Dovecot command line/ssh utilities available. > > So I installed Debian 10.9 + Dovecot-imapd (ver.2.3.4.1 stable), then in > "/etc/dovecot/conf.d/10-mail.conf" I changed "mail_location = > mbox:~/mail:INBOX=/var/mail/%u" to "mail_location = mdbox:~/mdbox" and > "#separator =" to "separator = /" . I moved the contents of the folder > containing the mail in Maildir format to ~/Maildir/ and then I ran "dsync -v > -u user mirror maildir:~/Maildir/". > > > The only users on the system are root and a limited priviledges user, but on > the Debian server I didn't recreate any mail account/user that existed on the > source server. > > The conversion command is executed without showing errors: the resulting > ~/mdbox folder has a size of 370 MB while the ~/Maildir/ folder was 456 MB. > > I would like to know if the procedure I followed is correct and if the > absence of errors when the command is executed means that the conversion was > successful, or if I need to do some other test/check to make sure the whole > conversion process is ok. > > Thank you. >
Yep. That's a good way to do the conversion. See https://wiki.dovecot.org/Migration/MailFormat for details. Aki
